Natural communication form for this species; skin that can spell out text.

The Dwellers are a long lived species - very long lived. "They lived slowly, evolved slowly, traveled slowly and did almost everything they ever did, slowly." They are the oldest species in the novel; they had been around for most of the life of the galaxy.

Fassin opened the pane and let the creature in. It flipped inside, made a sign that was probably meant to be the Dweller equivalent of 'Shh!' and floated towards him, curling and cupping its body so that it formed a sickle shape, just a metre away from the prow of the arrowhead craft. Then, on its signal skin, now shielded from sight in all directions save that Fassin was watching from, it spelled out, OAZIL: MEET ME 2KM STRAIGHT DOWN, HOUR 5, RE. VALSEIR.